Vulnerability-Lookup

GHSA-4GCG-JV45-V47X

Vulnerability from github – Published: 2026-05-11 18:31 – Updated: 2026-05-11 18:31

Details

Wellbia's XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS. Cross reference to KVE 2023-5589 (https://krcert.or.kr)

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-3609"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-11T18:16:33Z",
    "severity": null
  },
  "details": "Wellbia\u0027s XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS.\nCross reference to KVE 2023-5589 (https://krcert.or.kr)",
  "id": "GHSA-4gcg-jv45-v47x",
  "modified": "2026-05-11T18:31:45Z",
  "published": "2026-05-11T18:31:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3609"
    },
    {
      "type": "WEB",
      "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609"
    },
    {
      "type": "WEB",
      "url": "https://crcert.or.kr"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-3609 (GCVE-0-2026-3609)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:25 – Updated: 2026-05-13 12:35

Title

XIGNCODE3 xhunter1.sys kernel driver contains a Privilege Escalation Vulnerability

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE

Assigner

certcc

References

2 references

URL	Tags
https://crcert.or.kr
https://blacksnufkin.github.io/posts/AntiCheat-LP…

Impacted products

1 product

Vendor	Product	Version
Wellbia	XIGNCODE3 Anti-Cheat	Affected: 10.0.10011.16384

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "LOW",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3609",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T12:35:38.266419Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T12:35:57.998Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "XIGNCODE3 Anti-Cheat",
          "vendor": "Wellbia",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.10011.16384"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Wellbia\u0027s XIGNCODE3 xhunter1.sys kernel driver Privilege Escalation Vulnerability provides access to IRP_MJ_REITS command interface, which allows any user process to request a PROCESS_ALL_ACCESS.\r\nCross reference to KVE 2023-5589 (https://krcert.or.kr)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en"
            }
          ]
        },
        {
          "descriptions": [
            {
              "description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
              "lang": "en"
            }
          ]
        },
        {
          "descriptions": [
            {
              "description": "CWE-284 Improper Access Control",
              "lang": "en"
            }
          ]
        },
        {
          "descriptions": [
            {
              "description": "CWE-266 Incorrect Privilege Assignment",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T16:25:24.769Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "url": "https://crcert.or.kr"
        },
        {
          "url": "https://blacksnufkin.github.io/posts/AntiCheat-LPE-CVE-2026-3609/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "XIGNCODE3 xhunter1.sys kernel driver contains a Privilege Escalation Vulnerability",
      "x_generator": {
        "engine": "VINCE 3.0.39",
        "env": "prod",
        "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-3609"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2026-3609",
    "datePublished": "2026-05-11T16:25:24.769Z",
    "dateReserved": "2026-03-05T17:54:52.283Z",
    "dateUpdated": "2026-05-13T12:35:57.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-4GCG-JV45-V47X

CVE-2026-3609 (GCVE-0-2026-3609)

Tags

Sightings

Nomenclature